import java.util.Arrays;
import java.util.Random;

public class Test {
    public static void testInsertSort(int[] array){
        int[] tmpArray = Arrays.copyOf(array,array.length);
        long startTime = System.currentTimeMillis();
        Sort.insertSort(tmpArray);
        long endTime = System.currentTimeMillis();
        System.out.println("直接插入排序耗时："+(endTime-startTime));
    }
    public static void testShellSort(int[] array){
        int[] tmpArray = Arrays.copyOf(array,array.length);
        long startTime = System.currentTimeMillis();
        Sort.shellSort(tmpArray);
        long endTime = System.currentTimeMillis();
        System.out.println("希尔插入排序耗时："+(endTime-startTime));
    }

    public static void testSelectSort(int[] array){
        int[] tmpArray = Arrays.copyOf(array,array.length);
        long startTime = System.currentTimeMillis();
        Sort.selectSort(tmpArray);
        long endTime = System.currentTimeMillis();
        System.out.println("选择排序耗时："+(endTime-startTime));
    }
    public static void testQuickSort(int[] array){
        int[] tmpArray = Arrays.copyOf(array,array.length);
        long startTime = System.currentTimeMillis();
        Sort.quickSort(tmpArray);
        long endTime = System.currentTimeMillis();
        System.out.println("快速排序耗时："+(endTime-startTime));
    }
    public static void testMergeSort(int[] array){
        int[] tmpArray = Arrays.copyOf(array,array.length);
        long startTime = System.currentTimeMillis();
        Sort.mergeSort(tmpArray);
        long endTime = System.currentTimeMillis();
        System.out.println("归并排序耗时："+(endTime-startTime));
    }
    public static void initOrder(int[] array){
        for (int i = 0; i < array.length; i++) {
            array[i] = i;
        }
    }
    public static void notOrder(int[] array){
        Random random = new Random();
        for (int i = 0; i < array.length; i++) {
            array[i] = random.nextInt(10000);
        }
    }
    public static void main2(String[] args) {
        int[] array = {1,55,24,12,5,6,47};
        Sort.bubbleSort(array);
        System.out.println(Arrays.toString(array));
    }
    public static void main(String[] args) {
        int[] array = new int[10_0000];
        initOrder(array);
//        testInsertSort(array);
        testShellSort(array);
//        testSelectSort(array);
        testQuickSort(array);
        testMergeSort(array);
    }
    public static void main1(String[] args) {
        int[] array = {1,55,24,12,5,6,47};
        Sort.shellSort(array);
        System.out.println(Arrays.toString(array));
    }
}
